JP2006070566A - Warm water washing toilet seat and program therefor - Google Patents

Warm water washing toilet seat and program therefor Download PDF

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JP2006070566A
JP2006070566A JP2004255222A JP2004255222A JP2006070566A JP 2006070566 A JP2006070566 A JP 2006070566A JP 2004255222 A JP2004255222 A JP 2004255222A JP 2004255222 A JP2004255222 A JP 2004255222A JP 2006070566 A JP2006070566 A JP 2006070566A
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toilet seat
warm water
wireless
data
water washing
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Toshihisa Ikeda
俊久 池田
Teruo Yamamoto
照夫 山本
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a warm water washing toilet seat which can detect a seated state, for instance. <P>SOLUTION: The warm water washing toilet seat is formed of a toilet seat section 12 having one or more radio IC tags 11A to 11F are stuck thereto or embedded therein, a reading means 16 for reading data from the radio IC tags 11A to 11F, and a processing means 17 for receiving the data from the reading means 16 and carrying out processing. The radio IC tags 11A to 11F are of a passive type that does not require a battery and has characteristics that communication is made impossible when a human body exists near the same. Therefore when the data can be read from all the radio IC tags, it is determined that no one is seated on the toilet seat 12, and when the data cannot be read from any one of the radio IC tags, it is determined that someone is seated on the toilet seat 12. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、無線ICタグを用いた温水洗浄便座およびそのプログラムに関するものである。   The present invention relates to a warm water washing toilet seat using a wireless IC tag and a program therefor.

温水洗浄便座において人が着座しているかどうかを検出することは重要である。例えば着座していないにも拘らず洗浄スイッチを押してしまうと洗浄水が噴出して周囲が濡れてしまうので、着座していない時には洗浄スイッチが押されても反応しないことが望ましい。このため、着座しているかどうかを検出する手法がいくつか考えられており、近年では赤外線を照射して、その反射光から着座を検出する方法が考案されてきた。赤外線放射、受光手段の設置場所に工夫をして使用者の衣服の色に影響されないようにしたものも存在する(例えば、特許文献1参照)。
特開2004−107991号公報
It is important to detect whether a person is seated in a warm water flush toilet seat. For example, if the washing switch is pushed even though the user is not seated, washing water is ejected and the surroundings are wetted. Therefore, it is desirable that no reaction occurs even if the washing switch is pushed when not sitting. For this reason, several methods for detecting whether or not the user is seated have been considered. In recent years, a method for detecting the seating from the reflected light by irradiating infrared rays has been devised. There are also devices that are devised in the place where infrared radiation and light receiving means are installed so as not to be affected by the color of the clothes of the user (see, for example, Patent Document 1).
JP 2004-107991 A

しかしながら、この方法でも便器内の洗浄水噴出部付近に赤外線照射、受光手段を設置する必要があるので、洗浄水がかかって汚れることを完全には防げずに長期的に汚れによる感度低下が懸念される。さらに、電子回路を水の掛かりやすい位置に配置するため、防水処理、漏電防止処理など設計上、製造上での手間も掛かるという欠点があった。   However, even with this method, it is necessary to install infrared irradiation and light receiving means in the vicinity of the washing water ejection part in the toilet, so it is not possible to completely prevent the washing water from getting dirty, and there is a concern that the sensitivity may be lowered due to dirt in the long term. Is done. In addition, since the electronic circuit is arranged at a position where water is easily applied, there is a drawback in that it takes time and labor in designing such as waterproofing and leakage prevention.

そこで、前記従来の課題を解決するために、本発明の温水洗浄便座は、ひとつ以上の無線ICタグが貼付、もしくは埋め込まれた便座と、前記無線ICタグからデータを読み取る読取手段と、前記読取手段より前記データを受信して処理を行う処理手段とから構成されている。前記無線ICタグは、電池を必要としないパッシブ型であって、人体が近くにあると通信できなくなるという特性を持っている。この特性を用いて、無線ICタグからデータを読み出せる時には便座に人が座っていないと判断して、いずれかの無線ICタグが読み出せなくなったときには便座に人が座っていると判断する。   Accordingly, in order to solve the above-described conventional problems, a warm water cleaning toilet seat according to the present invention includes a toilet seat on which one or more wireless IC tags are attached or embedded, reading means for reading data from the wireless IC tag, and the reading Processing means for receiving and processing the data from the means. The wireless IC tag is a passive type that does not require a battery, and has a characteristic that communication cannot be performed if a human body is nearby. Using this characteristic, when data can be read from the wireless IC tag, it is determined that no person is sitting on the toilet seat, and when any wireless IC tag cannot be read, it is determined that a person is sitting on the toilet seat.

本発明の温水洗浄便座は、便座そのものに無線ICタグを貼付、あるいは埋め込んでしまうので水や汚れが付きにくく、また電池などの電源を一切必要としないパッシブ型の無線ICタグであるので特別な防水処理や、漏電防止処理は不要となる。構成要素としての読取手段や処理手段は電池などの電源を必要とする電子回路であるが、無線ICタグから非接触でデータを読み出すので、まったく水の掛からない安全な位置に設置することが容易に実現可能である。そのため、防水処理や漏電防止処理は不要となる。このように着座しているかどうかの判断を行うために無線ICタグ自身の特性を利用しているので、簡単な構成で着座検出を行い、長期的にも安定して着座検出を行う温水洗浄便座が実現できる。   The warm water cleaning toilet seat according to the present invention is a passive type wireless IC tag which is difficult to get water and dirt because it attaches or embeds a wireless IC tag to the toilet seat itself, and does not require any power source such as a battery. Waterproofing and leakage prevention are not required. The reading means and processing means as constituent elements are electronic circuits that require a power source such as a battery, but since the data is read out from the wireless IC tag in a non-contact manner, it is easy to install in a safe position where no water is splashed. Is feasible. Therefore, waterproofing and leakage prevention processing are not required. Since the characteristics of the wireless IC tag itself are used to determine whether or not the user is seated in this manner, the seat is detected with a simple configuration, and the warm water washing toilet seat that performs stable seating detection over the long term Can be realized.

第1の発明は、便座にひとつ以上の無線ICタグを貼付、もしくは埋め込み、読み取り手段で前記無線ICタグからデータを読み取り、処理手段により前記データに応じて処理を行う。前記無線ICタグは、電池を必要としないパッシブ型であって、水分の影響を受けやすく水分を含み人体に接するとデータが読み出せなくなるという特徴を持っている。このため、便座に人が座っていない時には全ての前記無線ICタグからデータを読み出すことが出来るが、人が座っている時には人の体に含まれる水分が影響していくつかの無線ICタグからデータが読み出せなくなる。これらにより、例えば、便座に人が着座しているかどうかを検知して、それに応じた処理を行う温水洗浄便座の提供が可能となる。   In the first invention, one or more wireless IC tags are attached or embedded in a toilet seat, data is read from the wireless IC tag by a reading unit, and processing is performed according to the data by a processing unit. The wireless IC tag is a passive type that does not require a battery, and has a feature that it is easily affected by moisture and cannot read data when it contains moisture and contacts a human body. Therefore, data can be read from all the wireless IC tags when a person is not sitting on the toilet seat, but when a person is sitting, moisture contained in the person's body is affected, and some wireless IC tags Data cannot be read. Thus, for example, it is possible to provide a warm water-washed toilet seat that detects whether a person is seated on a toilet seat and performs a process corresponding thereto.

第2の発明は、特に第1の発明の温水洗浄便座において、便座の座面もしくはその近傍に無線ICタグを貼付、もしくは埋め込んでいるので、人体により密接した位置に無線ICタグを設置するので、人体の影響をより強く受け、着座検出の精度を向上することが出来る。   In the second invention, in particular, in the warm water flush toilet seat of the first invention, since the wireless IC tag is attached or embedded in the seat surface of the toilet seat or in the vicinity thereof, the wireless IC tag is installed at a position closer to the human body. The influence of the human body is stronger, and the accuracy of seating detection can be improved.

第3の発明は、特に第1の発明の温水洗浄便座において、便座に貼付、もしくは埋め込んだ無線ICタグのいずれかひとつ以上の前記無線ICタグからデータが読み出せない場合、人が着座していると判断するので、人体が覆い隠せていない無線ICタグが存在した場合でも、より確実に着座検出することが出来る。特に小柄な子供などの場合に効果的である。   According to a third aspect of the invention, in particular, in the warm water flush toilet seat of the first aspect, when data cannot be read from any one or more of the wireless IC tags attached to or embedded in the toilet seat, a person is seated. Therefore, even when there is a wireless IC tag that is not covered by a human body, seating detection can be performed more reliably. This is especially effective for small children.

第4の発明は、特に第1の発明の温水洗浄便座において、処理手段より赤外線を用いて洗浄機能を制御するので、処理手段、読取手段、赤外LEDを含む制御装置の設置自由度が高くなり、水が全く掛からない位置に設置することで信頼性を向上させるとともに、前記制御装置に対する防水処理、漏電防止処理などを簡易化することができるのでコスト的に有利となる。   In the fourth aspect of the invention, particularly in the warm water washing toilet seat of the first aspect, since the cleaning function is controlled by using infrared rays from the processing means, the degree of freedom of installation of the control means including the processing means, the reading means and the infrared LED is high. Therefore, it is advantageous in terms of cost because it is possible to improve the reliability by installing it at a position where water is not splashed at all, and to simplify the waterproof process and the leakage prevention process for the control device.

第5の発明は、特に第1の発明の温水洗浄便座において、便蓋に電磁波透過性物質を用いたので、便座が閉まっている状態でも無線ICタグのデータを読み出せる。これにより、便座が閉まっている状態を着座と判断するような誤動作を防止して、より確実な着座検出が可能となる。   In the fifth invention, in particular, in the warm water flush toilet seat of the first invention, since the electromagnetic wave transmissive substance is used for the toilet lid, the data of the wireless IC tag can be read even when the toilet seat is closed. Thereby, it is possible to prevent a malfunction such as determining that the toilet seat is closed, and to detect the seat more reliably.

第6の発明は、特に第1の発明の温水洗浄便座において、2.45GHz付近の周波数帯を用いる無線ICタグを使用したので、他の周波数帯を用いた無線ICタグよりもより顕著に水分の影響を受けるため、より確実な着座検出が可能となる。   Since the wireless IC tag using the frequency band near 2.45 GHz is used in the sixth aspect of the invention, particularly in the warm water washing toilet seat of the first invention, the water content is significantly more pronounced than the wireless IC tag using other frequency bands. Therefore, more reliable seating detection is possible.

第7の発明は、第1〜6の発明の温水洗浄便座において、少なくともひとつの機能をコンピュータに実行させるためのプログラムであり、CPU、RAM、ROM、記憶装置、I/Oなどを備えた電気情報機器、コンピュータ等のハードリソースを協働させて本発明の一部あるいは全てをプログラムとして容易に実現することができる。また記録媒体に記録あるいは、通信回線を用いてプログラム配信することにより、プログラム配布が他の手段に比べて極めて簡単に実現できる。   A seventh invention is a program for causing a computer to execute at least one function in the warm water washing toilet seat of the first to sixth inventions, and includes an electric circuit including a CPU, a RAM, a ROM, a storage device, an I / O, and the like. Part or all of the present invention can be easily realized as a program by cooperating hardware resources such as information devices and computers. Also, by distributing the program on a recording medium or using a communication line, program distribution can be realized very easily compared to other means.

以下、本発明の実施の形態について、図面を用いて一実施形態について詳細に説明する。なお、この実施の形態によって本発明が限定されるものではない。   Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

(実施の形態1)
図1は第1の発明の温水暖房便座のシステム構成一例を示す図であり、便座12にひとつ以上の無線ICタグ11A、11B、11C、11D、11E、11Fを貼付し、この無線ICタグのデータを読取手段16が読み出し、読み込んだデータは処理手段17にて処理される。なお、無線ICタグ11A、11B、11C、11D、11E、11Fはいずれも互いに異なる独自のIDをデータとして持っている。
(Embodiment 1)
FIG. 1 is a diagram showing an example of a system configuration of a hot water heating toilet seat according to the first invention. One or more wireless IC tags 11A, 11B, 11C, 11D, 11E, and 11F are attached to the toilet seat 12, and the wireless IC tag The reading means 16 reads the data, and the read data is processed by the processing means 17. The wireless IC tags 11A, 11B, 11C, 11D, 11E, and 11F all have unique IDs as data.

後ほど詳しく述べるが、処理手段17にて処理された結果、赤外LED18から赤外線でコマンドが送信される。赤外線のコマンドは便座直近に設けられた赤外受光手段13にて受信され、温水洗浄の制御に用いられる。温水洗浄の制御とは具体的には洗浄水の噴出を許可するか、禁止するかといった温水洗浄便座本来の機能に関することである。   As will be described in detail later, as a result of processing by the processing means 17, a command is transmitted from the infrared LED 18 by infrared rays. The infrared command is received by the infrared light receiving means 13 provided in the immediate vicinity of the toilet seat, and is used for controlling hot water washing. The control of the hot water cleaning specifically relates to the original function of the warm water cleaning toilet seat such as whether to permit or prohibit the ejection of the cleaning water.

なお、図においては読取手段16、処理手段17、赤外LED18を一体化して制御装置15としているが、必ずしもこの形態でなくても構わないし、赤外LED18、あるいは赤外受光手段13を無くして便座側に制御装置15を組み込んで一体化して処理手段17が温水洗浄の制御を行っても構わない。   In the figure, the reading unit 16, the processing unit 17, and the infrared LED 18 are integrated to form the control device 15. However, this configuration is not necessarily required, and the infrared LED 18 or the infrared light receiving unit 13 is omitted. The control device 15 may be incorporated and integrated on the toilet seat side, and the processing means 17 may control the hot water washing.

ただし、赤外LED18と赤外線受光手段13を使用すると、制御装置15が洗浄便座と別筐体として独立して、その設置自由度が著しく向上する。その結果、赤外線が届く範囲ならば何処に設置しても構わないので、水や汚れが付きにくいような場所を選んで設置するといったことが可能となる。これにより制御装置15の防水処理、漏電防止処理が簡略あるいは省略できる。   However, when the infrared LED 18 and the infrared light receiving means 13 are used, the control device 15 is independent of the cleaning toilet seat as a separate housing, and the degree of freedom of installation thereof is significantly improved. As a result, it can be installed anywhere as long as it can reach infrared rays, so it is possible to select and install a place where water and dirt are difficult to be attached. As a result, the waterproof process and leakage prevention process of the control device 15 can be simplified or omitted.

無線ICタグにはいろいろな周波数帯のものがあるが、その中でも2.45GHz帯の周波数帯を使ったものが最も水分の影響を受けやすいので、本発明のような使い方には最適である。また、水分に近いほど影響を受けやすいので、便座の座面に最も近い、人に最も接している位置に無線ICタグを貼付、あるいは埋め込むことが望ましい。貼付の場合には便座が電磁誘導を妨げるような金属などを含まないことが要求される。埋め込む場合には便座が電磁波透過物質で出来ていることが要求される。   There are various types of wireless IC tags, but among them, those using a frequency band of 2.45 GHz are most susceptible to moisture, and are optimal for use as in the present invention. Further, since the closer to moisture, the more easily affected, it is desirable to attach or embed a wireless IC tag at a position closest to the seat surface of the toilet seat and closest to a person. In the case of affixing, it is required that the toilet seat does not contain a metal that prevents electromagnetic induction. When embedding, the toilet seat is required to be made of an electromagnetic wave transmitting material.

便蓋14についても、電磁波透過物質であれば便蓋14が閉じている、つまり便座12を覆い隠している時でも無線ICタグ11A〜11Fのデータを読み出すことが可能となり、便座が閉まっている状態を着座状態と誤検出してしまうことを回避できるので、便蓋14は電磁波透過物質であることが望ましい。   Even when the toilet lid 14 is an electromagnetic wave transmitting substance, the toilet lid 14 is closed, that is, even when the toilet seat 12 is covered, the data of the wireless IC tags 11A to 11F can be read, and the toilet seat is closed. Since it is possible to avoid erroneously detecting the state as a seated state, the toilet lid 14 is preferably an electromagnetic wave transmitting material.

図2は処理手段17にて行う処理のフローを示している。S20において初期化処理として無線ICタグ11A、11B、11C、11D、11E、11Fが持っている互いに異なる独自のIDを記憶しておく。   FIG. 2 shows a flow of processing performed by the processing means 17. In S20, different unique IDs held by the wireless IC tags 11A, 11B, 11C, 11D, 11E, and 11F are stored as initialization processing.

次にS21で無線ICタグのデータを一括読み出して、S22A〜S22Fで前記記憶したデータと比較していき、ひとつでも読めないデータが存在した場合は、S24にて着座を検出したものとして洗浄動作可能状態とする。逆にすべての無線ICタグからデータが正しく読み出せた場合はS23にて着座未検出として洗浄動作不可能状態とする。   Next, in step S21, the wireless IC tag data is collectively read out and compared with the stored data in steps S22A to S22F. If there is any data that cannot be read, the washing operation is performed as if seating was detected in step S24. Make it possible. On the other hand, if the data can be correctly read from all the wireless IC tags, it is determined that the seating is not detected and the cleaning operation is disabled in S23.

以後、S21の無線ICタグの一括読み出し動作から繰り返して動作を継続する。これにより、常時便座に着座しているかどうかを検出することが可能となり、着座している時にだけ洗浄水を噴射するといった制御が可能となる。   Thereafter, the operation is repeated from the collective reading operation of the wireless IC tag in S21. As a result, it is possible to detect whether or not the user is always seated on the toilet seat, and it is possible to perform control such that the washing water is jetted only when the user is seated.

ここでは洗浄機能のみを取り上げたが、洗浄便座には便座暖房機能がついていることが多く、着座検出時に便座の暖房を介する、あるいは強化するといった用途に用いても構わない。   Although only the cleaning function is taken up here, the toilet seat is often provided with a toilet seat heating function, and it may be used for the purpose of heating or enhancing the toilet seat when seating is detected.

なお、本実施の形態では無線ICタグが6個の場合を示したが、これに限らず1つまたは複数あればよい。それに対応して図2のS22のステップ数は変更される。   In the present embodiment, the case where there are six wireless IC tags is shown, but the present invention is not limited to this, and there may be one or more. Correspondingly, the number of steps in S22 of FIG. 2 is changed.

なお、本実施の形態で説明した手段は、CPU(またはマイコン)、RAM、ROM、記憶・記録装置、I/Oなどを備えた電気・情報機器、コンピュータ等のハードリソースを協働させるプログラムの形態で実施してもよい。プログラムの形態であれば、磁気メディアや光メディアなどの記録媒体に記録、もしくはインターネットなどの通信回線を用いて配信することで新しい機能の配布・更新やそのインストール作業が簡単にできる。   The means described in this embodiment is a program for causing a hardware resource such as a CPU (or a microcomputer), a RAM, a ROM, a storage / recording device, an I / O equipped with an I / O, a computer, and the like to cooperate with each other. You may implement with a form. In the form of a program, new functions can be easily distributed / updated and installed by recording them on a recording medium such as magnetic media or optical media, or distributing them using a communication line such as the Internet.

以上のように、本発明にかかる温水洗浄便座およびそのプログラムは、無線ICタグと、そのタグからデータを読み取る読取装置と、前記読取装置より前記データを受信する処理装置から構成され、前記無線ICタグは電池を必要としないパッシブ型であって、人体の近くあるいは、人体で覆うとデータが読み出せないという特性を利用して、非常に簡単な構成で温水洗浄便座への着座を検出している。   As described above, the warm water washing toilet seat and the program thereof according to the present invention are composed of a wireless IC tag, a reading device that reads data from the tag, and a processing device that receives the data from the reading device, and the wireless IC The tag is a passive type that does not require a battery. By using the property that data cannot be read if it is close to or covered by the human body, it can detect the seating on the toilet seat with a very simple configuration. Yes.

また、本実施の形態では非常に限られた用途だけを例として用いているが、便座に限らず着座しているかどうかが人体に非接触かつ容易に検知できるので、人が座るようなもので着座しているかどうかのよって動作を変えるようなもの、例えばシートヒータ付き自動車用シートの温度制御や助手席エアバッグの動作制御のようなものでも本発明は適用可能であり、いずれの場合にも効果を発揮するものである。   In this embodiment, only a very limited use is used as an example, but it is not limited to the toilet seat, and it can be easily detected without touching the human body, so that a person can sit down. The present invention can also be applied to devices that change operation depending on whether they are seated, such as temperature control of a seat for an automobile with a seat heater or operation control of a passenger airbag. It is effective.

本発明の温水洗浄便座のシステム構成の一例図An example of the system configuration of the warm water washing toilet seat of the present invention 本発明の温水洗浄便座の着座検出フローの一例図An example of a seating detection flow of the warm water washing toilet seat of the present invention

符号の説明Explanation of symbols

11A〜F 無線ICタグ
12 便座
13 赤外受光手段
14 便蓋
15 制御装置
16 読取手段
17 処理手段
18 赤外LED
11A to F Wireless IC tag 12 Toilet seat 13 Infrared light receiving means 14 Toilet lid 15 Control device 16 Reading means 17 Processing means 18 Infrared LED

Claims (7)

便座にひとつ以上の無線ICタグを貼付、もしくは埋め込んでおき、読み取り手段で前記無線ICタグからデータを読み取り、処理手段により前記データに応じて処理を行うことを特徴とする温水洗浄便座。 A warm water washing toilet seat, wherein one or more wireless IC tags are attached or embedded in a toilet seat, data is read from the wireless IC tag by reading means, and processing is performed according to the data by processing means. 便座の座面もしくはその近傍に無線ICタグを貼付、もしくは埋め込んだことを特徴とする請求項1記載の温水洗浄便座。 The warm water washing toilet seat according to claim 1, wherein a wireless IC tag is attached or embedded in a seat surface of the toilet seat or in the vicinity thereof. 便座に貼付、もしくは埋め込んだ無線ICタグのいずれかひとつ以上の前記無線ICタグからデータが読み出せない場合、人が着座していると判断することを特徴とする請求項1記載の温水洗浄便座。 2. The warm water washing toilet seat according to claim 1, wherein if data cannot be read from any one or more of the wireless IC tags attached to or embedded in the toilet seat, it is determined that a person is seated. . 処理手段より赤外線を用いて洗浄機能を制御することを特徴とする請求項1記載の温水洗浄便座。 The warm water washing toilet seat according to claim 1, wherein the washing function is controlled by using infrared rays from the processing means. 便蓋に電磁波透過性物質を用いたことを特徴とする請求項1記載の温水洗浄便座。 The warm water-washed toilet seat according to claim 1, wherein an electromagnetic wave-transmitting substance is used for the toilet lid. 2.45GHz付近の周波数帯を用いる無線ICタグを使用したことを特徴とする請求項1記載の温水洗浄便座。 2. The warm water cleaning toilet seat according to claim 1, wherein a wireless IC tag using a frequency band near 2.45 GHz is used. 請求項1〜6のいずれか記載の温水洗浄便座において少なくともひとつの機能をコンピュータに実行させるためのプログラム。 The program for making a computer perform at least 1 function in the warm water washing toilet seat in any one of Claims 1-6.
JP2004255222A 2004-09-02 2004-09-02 Warm water washing toilet seat and program therefor Pending JP2006070566A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965494A1 (en) * 2007-03-02 2008-09-03 Pagette GmbH Method for detecting use of a WC and WC seat assembly
WO2012133128A1 (en) * 2011-03-29 2012-10-04 Toto株式会社 Heated toilet seat device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965494A1 (en) * 2007-03-02 2008-09-03 Pagette GmbH Method for detecting use of a WC and WC seat assembly
WO2012133128A1 (en) * 2011-03-29 2012-10-04 Toto株式会社 Heated toilet seat device
JP2012205670A (en) * 2011-03-29 2012-10-25 Toto Ltd Heated toilet seat device
CN103313638A (en) * 2011-03-29 2013-09-18 Toto株式会社 Heated toilet seat device

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